Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have No O₂ in flue gas CO in flue gas High excess air None of these No O₂ in flue gas CO in flue gas High excess air None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Heating air Annealing steel coil Roasting/reduction of ores Steel melting Heating air Annealing steel coil Roasting/reduction of ores Steel melting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock All of these Retards the heat transfer Assists in temperature equalisation in the charge Permits the use of controlled atmosphere for the protection of stock All of these Retards the heat transfer ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 250 1000 850 650 250 1000 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Oxygen enrichment of combustion air All of these Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air All of these Preheating the combustion air Preheating the fuel gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a continuous furnace? Coke ovens Annealing furnace Glass tank furnace None of these Coke ovens Annealing furnace Glass tank furnace None of these ANSWER DOWNLOAD EXAMIANS APP
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